The Bose SoundSport Free in-ear headphones are truly wireless. There are no connecting wires whatsoever--just two independent ear buds that stay comfortably in place--allowing you to leave your phone in your pocket, bag, or on your desk. The lightweight SoundSport Free headphones weigh less than 15 grams each, and come with 3 pairs of StayHear+ Sport eartips, a hard-shell charging case, and a USB charging cable. There are three colours to choose from. Triple Black; Midnight Blue/Citron Yellow and Bright Orange/Midnight Blue.

Bluetooth: Built-in Bluetooth lets you connect your devices wirelessly so you're not tethered to your phone. The Bluetooth button on the top of the left earbud lets you easily pair the headphones to your device. The right earbud includes on-board volume, plus music playback and phone call controls through the multi-function button. You can pair up to seven devices with the headphones, but only connect and play audio from one device at a time. Bluetooth wireless range is approximately 10 meters.

To conserve battery power, the Bose SoundSport Free feature a timer that automatically switches the headphones to standby mode when the audio has stopped and no buttons have been pressed for 20 minutes. To awaken the headphones, you can press the Bluetooth button on the left ear bud and any button on the right ear bud. The number of minutes can be adjusted or the Standby Timer can be disabled in the Bose Connect app.

Bose Connect App: The Bose Connect app makes it easy to connect to your Bluetooth devices, and switch between them whenever you desire. It is also an in-valuable companion to the SoundSport Free in-ear headphones. It provides an easy way to pair your headphones to your phone or tablet. If you misplace one or both of your ear buds, the app's Find My Buds feature helps you locate them. Music Share lets you share your music with a friend (who also owns a pair of Bose wireless headphones). The app lets you name your headphones, select the language of your voice prompts, or turn off voice prompts altogether. The app also allows you to keep your headphones up to date with software updates when they become available. The Bose Connect app is compatible with iOS (9.0 or later) and Android (5.0 and up) devices.

StayHear+ Sport Tips: The SoundSport Free wireless in-ear headphones come with Bose's proprietary StayHear+ Sport silicone ear-tips in three sizes (Small, Medium, and Large) to help assure a more accurate fit that's comfortable and secure. StayHear+ Sport silicone ear-tips will stay in your ears during exercise and other active sports because the ear tips use advanced materials and are designed to spread contact evenly within your ear creating a good seal. The fin conforms naturally to the shape of the upper ridge of your ear to hold them into place so they don't fall out, even during a rigorous workout.

Sweat/Weather Resistance: Sports headphones have to stay on you even during your most strenuous workouts. These headphones are rated IPX4, which means they are sweat and weather resistant. They are not designed to be submerged in water, so you should not wear them while showering or swimming. After a rigorous workout, the charging pins on the earbuds should be dried off with a dry, soft cotton swab to prevent rust.

Lightweight Charging Carrying Case: The SoundSport Free charging case has its own 530 mAh rechargeable battery that will charge up your ear buds when you're not using them. When you place the ear buds in the case, the charging pins are aligned and they begin charging. Strong magnets hold the headphones in place on the contacts. Fully charged, the case provides up to two full charges, or approximately 10 hours of playback time. The charging case and the ear buds each require a 2-hour charge to reach full capacity. You can check the charge level of the case without opening it by viewing the 5-LED meter on the front. Additional charging cases are available in black and navy blue.

Design: 100% wire/cable free in-ear headphonesNo connecting cord between left and right earbudsBluetooth: Built-in Bluetooth for wireless music listening and phone calls with compatible smartphonesSound Quality: Clear, smooth sound with deep bassFree App: Optional Bose Connect app for Apple and Android offers seamless toggling between multiple Bluetooth devicesUse the app's "Find My Headphones" feature to track down a lost earbudDisplays the location where the earbuds were last connected to your phone or deviceEarbud will play an audible tone if still charged and within Bluetooth rangeNo Sweat: IPX4 sweat- and weather-resistantEar Tips: Three sizes of soft silicone StayHear®+ Sports tips provide a comfortable fitFlexible Wings: These keep earbuds secure during exerciseRemote: Three-button remote on right earbud for music and volume controlsMicrophone: Built-in microphone for taking calls

Charging Case and Battery InformationBattery: Built-in rechargeable battery offers up to 5 hours of listeningVoice Prompts: These provide information on battery life, device connection, and caller IDCase: Included carrying case banks up to 10 hours of power to wirelessly recharge headphones15 minutes inside case provides enough power for 45 minutes of listeningUSB cable included for charging caseManufacturer's Warranty: 1 Year